681588531

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{342679}}^1$

素因数の和:342715

約数の個数: 24

約数和(自身を含む): 1122619680

約数和(自身を除く): 441031149

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 342679, 1028037, 3084111, 4454827, 5825543, 13364481, 17476629, 40093443, 52429887, 75732059, 227196177, 681588531]

約数ペア:

[(1, 681588531), (3, 227196177), (9, 75732059), (13, 52429887), (17, 40093443), (39, 17476629), (51, 13364481), (117, 5825543), (153, 4454827), (221, 3084111), (663, 1028037), (1989, 342679)]